ARM: sun8i: Introduce A23 Evaluation Board Support

	sun7i-a20-pcduino3-nano.dtb \

	sun7i-a20-wexler-tab7200.dtb

dtb-$(CONFIG_MACH_SUN8I) += \

	sun8i-a23-evb.dtb \

	sun8i-a23-ippo-q8h-v5.dtb \

	sun8i-a23-ippo-q8h-v1.2.dtb

dtb-$(CONFIG_MACH_SUN9I) += \

/*

 * Copyright 2015 Maxime Ripard

 *

 * Maxime Ripard <maxime.ripard@free-electrons.com>

 *

 * This file is dual-licensed: you can use it either under the terms

 * of the GPL or the X11 license, at your option. Note that this dual

 * licensing only applies to this file, and not this project as a

 * whole.

 *

 *  a) This file is free software; you can redistribute it and/or

 *     modify it under the terms of the GNU General Public License as

 *     published by the Free Software Foundation; either version 2 of the

 *     License, or (at your option) any later version.

 *

 *     This file is distributed in the hope that it will be useful,

 *     but WITHOUT ANY WARRANTY; without even the implied warranty of

 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 *     GNU General Public License for more details.

 *

 * Or, alternatively,

 *

 *  b) Permission is hereby granted, free of charge, to any person

 *     obtaining a copy of this software and associated documentation

 *     files (the "Software"), to deal in the Software without

 *     restriction, including without limitation the rights to use,

 *     copy, modify, merge, publish, distribute, sublicense, and/or

 *     sell copies of the Software, and to permit persons to whom the

 *     Software is furnished to do so, subject to the following

 *     conditions:

 *

 *     The above copyright notice and this permission notice shall be

 *     included in all copies or substantial portions of the Software.

 *

 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 *     OTHER DEALINGS IN THE SOFTWARE.

 */

/dts-v1/;

#include "sun8i-a23.dtsi"

#include "sunxi-common-regulators.dtsi"

#include <dt-bindings/gpio/gpio.h>

#include <dt-bindings/input/input.h>

#include <dt-bindings/pinctrl/sun4i-a10.h>

/ {

	model = "Allwinner A23 Evaluation Board";

	compatible = "allwinner,sun8i-a23-evb", "allwinner,sun8i-a23";

	aliases {

		i2c0 = &i2c0;

		i2c1 = &i2c1;

		serial0 = &r_uart;

	};

	chosen {

		stdout-path = "serial0:115200n8";

	};

};

&i2c0 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c0_pins_a>;

	status = "okay";

};

&i2c1 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c1_pins_a>;

	status = "okay";

};

&lradc {

	vref-supply = <&reg_vcc3v0>;

	status = "okay";

	button@190 {

		label = "Volume Up";

		linux,code = <KEY_VOLUMEUP>;

		channel = <0>;

		voltage = <190000>;

	};

	button@390 {

		label = "Volume Down";

		linux,code = <KEY_VOLUMEDOWN>;

		channel = <0>;

		voltage = <390000>;

	};

	button@600 {

		label = "Home";

		linux,code = <KEY_HOME>;

		channel = <0>;

		voltage = <600000>;

	};

};

&mmc0 {

	pinctrl-names = "default";

	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_evb>;

	vmmc-supply = <&reg_vcc3v0>;

	bus-width = <4>;

	cd-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */

	cd-inverted;

	status = "okay";

};

&pio {

	mmc0_cd_pin_evb: mmc0_cd_pin@0 {

		allwinner,pins = "PB4";

		allwinner,function = "gpio_in";

		allwinner,drive = <SUN4I_PINCTRL_10_MA>;

		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;

	};

};

/*

 * The RX line has a non-populated resistance. In order to use it, you

 * need to solder R207 on the back of the board in order to close the

 * line and get a working UART.

 */

&r_uart {

	pinctrl-names = "default";

	pinctrl-0 = <&r_uart_pins_a>;

	status = "okay";

};